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1. Select Target Risk, Scenario, and Media.
Select a pre-defined Target Risk or enter a value in the box.
Select one of the land use scenarios under the "Select Scenario" list.
Select one or more media to assess under the "Select Media" list.
2. Select PRG Type.
There are two choices: "Defaults" and "Site Specific".
"Defaults" - calculations will be performed using default toxicity values, radionuclide-specific parameters, and exposure parameters.
"Site Specific" - there are two options available: "Database Hierarchy Defaults" and "User-provided". In the "Database Hierarchy Defaults" option, only exposure parameters can be edited. The "User-provided" option allows editing of toxicity values and radionuclide-specific parameters after clicking "Retrieve (new tab)" at the bottom of the form.
3. Select Units
Select the desired units for output (pCi or Bq).
4. Select Radionuclides of Interst.
Select individual radionuclides of Interest by first clicking in the box. Then either scroll through the list or type the radionuclide name. Click on the highlighted name to add it to the list.
Check the "ALL" box in the "Or Select All" section to select all radionuclides.
5. Click "Retrieve (new tab)".
After clicking "Retrieve (new tab)" for "Defaults", the results will be presented. Go to step 6.
If "Site-Specific" was selected in step 2, edit exposure parameters (if "Database Hierarchy Defaults" was selected) and default toxicity values and radionuclide-specific parameters (if "User-provided" was selected).
At the bottom of this page, click "Retrieve (new tab)" for the results.
Press "Clear" on the bottom of this page to reset all parameters to default values.
6. Review and Export Results.
Input parameters and PRGs for each selected media are presented.
At the top of the final page are options to "Output to XLS" and "Output to PDF".
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